Air Quality in Leça do Bailio, Portugal

Windy
18.7°C · 77.2% humidity
18.7°
Feels 18.7°
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
54 1pm
54
54
45 4pm
48
49
51 7pm
52
52
53 10pm
53
53
54 1am
54
54
54 4am
54
54
54 7am
54
54
34 10am
34
34
AD 728×90

Air Quality Index Trend

45h · 7 stn

Leça do Bailio's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.

77.2%
Humidity
124.0 km/h
Wind NNW
1016.3 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
45
10.8 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Leça do Bailio?

Temperature & Precipitation

PM2.5 Trend

45h · 7 stations
PM2.510.8 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX6.9
High
AD 300×250
Station readings (1 station within 25 km)
10.8
Median
10.8
Average
10.8
Low
10.8
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +2.7

What is the 7-day forecast for Leça do Bailio?

09-05
20.1° 18.7°
09-06
19.5° 17.9°
09-07
18.9° 16.7°
09-08
19.3° 17.7°
2.5 mm
09-09
22.4° 17.3°
09-10
21.5° 18.1°
09-11
18.8° 18.1°
0.06 mm
Both models agree Avg diff: 3.4°C

Where are air quality stations near Leça do Bailio?

13
Sobreiras-Lordelo do Ouro, Porto, Portugal
7.5 km PM2.5: 3.1 µg/m³
61
Sobreiras-Lordelo do Ouro, Porto, Portugal
7.5 km PM2.5: 16.9 µg/m³
37
Sobreiras-Lordelo do Ouro, Porto, Portugal
7.5 km PM2.5: 8.9 µg/m³
45
Paços de Ferreira, Paços de Ferreira, Portugal
22.7 km PM2.5: 10.8 µg/m³

What cities are near Leça do Bailio?

45 São Tiago de Custoias 45 Maia 45 São Mamede de Infesta 45 Senhora da Hora 45 Vermoim 45 Águas Santas 45 Paranhos 54 Matosinhos 54 Aldoar 54 Leça da Palmeira
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T15:51 UTC.